HO 70-Ton 12-Panel 3-Bay Hopper Ready to Run Denver & Rio Grande Western 14638 (Built 1966, black, Flying Grande)Details: Bowser HO Scale ready to run 70 Ton 12 Panel 3 Bay Hoppers are based on typical cars used by railroads serving coal mines and for hauling aggregates. The cars operated from the 1950s to the 1990s and beyind in work train service. These layout ready cars feature accurate decoration, molded details, free rolling trucks with metal wheels and magnetic knuckle couplers. The 70 Ton 12 Panel 3 Bay Hopper is a great addition to your ore hauling,